318 LA torque?

replicaracer43 said

With your budget, the best bang for the buck would be a used, running 5.2 or 5.9 magnum swap. LKQ sells them with a warranty starting about 350-400

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I love building up engines but I gotta say that the above is a excellent suggestion; a 5.9 Magnum swap would put you right where you want to be. Something like 330 ft lbs torque at right where you want it. The FI and associated electronics have to come over too. There is a whole sub-forum on FABO for these swaps.